Re: [PATCH v2 3/5] target/arm: Handle trapping to EL2 of AArch32 VMRS instructions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 12/6/19 6:08 AM, Peter Maydell wrote:
>>  DEF_HELPER_FLAGS_3(autdb, TCG_CALL_NO_WG, i64, env, i64, i64)
>>  DEF_HELPER_FLAGS_2(xpaci, TCG_CALL_NO_RWG_SE, i64, env, i64)
>>  DEF_HELPER_FLAGS_2(xpacd, TCG_CALL_NO_RWG_SE, i64, env, i64)
>> +
>> +DEF_HELPER_3(check_hcr_el2_trap, void, env, i32, i32)
> 
> This has to be in helper.h, not helper-a64.h, otherwise
> the arm-softmmu target won't build. helper-a64.h is for
> helper functions which only exist in the aarch64 binary.

Oh, while we're at it,

  DEF_HELPER_FLAGS_3(..., TCG_CALL_NO_WG, ...)

The helper does not modify tcg globals (on successful return).
It does read globals (via the exception path), and of course it has side
effects (the exception).


r~
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm



[Index of Archives]     [Linux KVM]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux